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APPLIED OPTOELECTRONICS, INC.

AAOI · Semiconductors & Related Devices · 80.2M shares · +12%/yr ↑ shares · EDGAR filings ↗

Reference price $171.89 · est. market cap ~$13.8B — last insider sale, 2026-06-18 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)

Grade

D48

Optical-components maker with explosive AI-datacom growth but massive cash burn this year.

Strengths

Risks

Notable findings

Quarterly revenue

2025-06-30 · $103M2025-09-30 · $119M2025-12-31 · $134M2026-03-31 · $151M

Last 4 quarters · from SEC filings.

Key metrics

Gross margin
30.0%
Operating margin
-12.0%
Net margin
-8.4%
Return on equity
-5.2%
Return on assets
-3.3%
ROIC
-5.9%
Revenue growth (QoQ)
12.6%
Debt / equity
0.0×
Current ratio
2.6×
Free cash flow
-$354M
EBITDA
-$27M
Tangible book value
$730M
Cash & investments
$206M
Cash runway
2q
Stock comp / revenue
2.6%

Insider transactions · last 18 months

DateInsiderTypeSharesPrice
2026-06-18Yeh Shu-Hua (Joshua)Sell6.0K$171.89
2026-06-17Chang Hung-Lun (Fred)Sell40K$170.60
2026-06-12Yeh Shu-Hua (Joshua)Sell29K$166.53
2026-06-12Murry Stefan J.Tax withheld30K$172.78
2026-06-12Murry Stefan J.Sell33K$166.53
2026-06-12Lin Chih-Hsiang (Thompson)Tax withheld87K$172.78
2026-06-12Lin Chih-Hsiang (Thompson)Sell59K$166.53
2026-06-12Kuo David CTax withheld19K$172.78
2026-06-12Kuo David CSell29K$166.53
2026-06-12Chang Hung-Lun (Fred)Tax withheld27K$172.78
2026-06-12Chang Hung-Lun (Fred)Sell34K$166.53
2026-06-12Yeh Shu-Hua (Joshua)Tax withheld23K$172.78
2026-06-10Murry Stefan J.Sell4.0K$171.45
2026-06-09Lin Che-WeiGrant1.2K
2026-06-09Flanagan Robert JamesGrant1.2K
2026-06-09DeLaney CynthiaGrant1.2K
2026-06-09Chen Min-Chu (Mike)Grant1.2K
2026-06-09BLACK RICHARD BGrant1.2K
2026-06-09Yeh William HGrant1.2K
2026-06-05Chang Hung-Lun (Fred)Sell4.0K$200.07
2026-06-04Yeh Shu-Hua (Joshua)Sell5.0K$204.75
2026-06-04Yeh Shu-Hua (Joshua)Sell5.0K$205.39
2026-06-02Chen Min-Chu (Mike)Sell8.2K$201.00
2026-05-28Lin Chih-Hsiang (Thompson)Gift86K
2026-05-28Lin Chih-Hsiang (Thompson)Gift86K
2026-05-28Lin Chih-Hsiang (Thompson)Other722K
2026-05-28Lin Chih-Hsiang (Thompson)Other722K
2026-05-26DeLaney CynthiaSell57K$189.23
2026-05-19Murry Stefan J.Sell33K$173.26
2026-05-19Yeh Shu-Hua (Joshua)Tax withheld7.9K$190.36
2026-05-19Yeh Shu-Hua (Joshua)Sell39K$173.26
2026-05-19Lin Chih-Hsiang (Thompson)Tax withheld87K$190.36
2026-05-19Lin Chih-Hsiang (Thompson)Sell58K$173.26
2026-05-19Kuo David CTax withheld19K$190.36
2026-05-19Kuo David CSell19K$173.26
2026-05-19Chang Hung-Lun (Fred)Tax withheld27K$190.36
2026-05-19Chang Hung-Lun (Fred)Sell34K$173.26
2026-05-19Murry Stefan J.Tax withheld30K$190.36
2026-05-15Murry Stefan J.Grant249K
2026-05-15Kuo David CGrant157K
2026-05-15Yeh Shu-Hua (Joshua)Grant192K
2026-05-15Lin Chih-Hsiang (Thompson)Grant712K
2026-05-15Chang Hung-Lun (Fred)Grant224K
2026-05-11Murry Stefan J.Sell4.0K$159.53
2026-04-22Lin Chih-Hsiang (Thompson)Tax withheld9.3K$150.57
2026-04-22Lin Chih-Hsiang (Thompson)Tax withheld2.5K$150.57
2026-04-22Lin Chih-Hsiang (Thompson)Tax withheld2.7K$150.57
2026-04-22Lin Chih-Hsiang (Thompson)Tax withheld2.2K$150.57
2026-04-22Chang Hung-Lun (Fred)Tax withheld2.9K$150.57
2026-04-22Chang Hung-Lun (Fred)Tax withheld673$150.57
2026-04-22Chang Hung-Lun (Fred)Tax withheld850$150.57
2026-04-22Chang Hung-Lun (Fred)Tax withheld677$150.57
2026-04-22Murry Stefan J.Tax withheld3.3K$150.57
2026-04-22Murry Stefan J.Tax withheld746$150.57
2026-04-22Murry Stefan J.Tax withheld1.1K$150.57
2026-04-22Murry Stefan J.Tax withheld846$150.57
2026-04-22Yeh Shu-Hua (Joshua)Tax withheld2.6K$150.57
2026-04-22Yeh Shu-Hua (Joshua)Tax withheld609$150.57
2026-04-22Yeh Shu-Hua (Joshua)Tax withheld861$150.57
2026-04-22Yeh Shu-Hua (Joshua)Tax withheld686$150.57
2026-04-22Kuo David CTax withheld2.1K$150.57
2026-04-22Kuo David CTax withheld518$150.57
2026-04-22Kuo David CTax withheld567$150.57
2026-04-22Kuo David CTax withheld447$150.57
2026-04-10Murry Stefan J.Sell4.0K$136.50
2026-03-19Kuo David CSell29K$100.13
2026-03-16Chang Hung-Lun (Fred)Sell36K$100.25
2026-03-10Murry Stefan J.Sell4.0K$112.76
2026-03-09Yeh William HSell15K$105.76
2026-03-09Chen Min-Chu (Mike)Sell8.8K$108.72
2026-03-09Yeh Shu-Hua (Joshua)Sell50K$97.10
2026-03-06Chen Min-Chu (Mike)Sell2.5K$97.00
2026-03-05BLACK RICHARD BSell3.2K$95.00
2026-03-04DeLaney CynthiaSell21K$98.02
2026-03-03Loboa Elizabeth GSell102K$95.76
2026-02-20Murry Stefan J.Sell6.0K$50.15
2026-02-11Kuo David CSell17K$50.17
2026-02-11Murry Stefan J.Sell12K$50.25
2026-02-10Murry Stefan J.Sell4.0K$48.68
2026-02-10Murry Stefan J.Sell2.3K$50.00
2026-02-10Kuo David CSell2.5K$50.00
2026-02-09Yeh Shu-Hua (Joshua)Grant26K
2026-02-09Murry Stefan J.Grant32K
2026-02-09Lin Chih-Hsiang (Thompson)Grant83K
2026-02-09Kuo David CGrant17K
2026-02-09Chang Hung-Lun (Fred)Grant26K
2026-01-28Kuo David CSell12K$45.05
2026-01-22Lin Chih-Hsiang (Thompson)Tax withheld9.9K$38.38
2026-01-22Yeh Shu-Hua (Joshua)Tax withheld1.9K$38.38
2026-01-22Yeh Shu-Hua (Joshua)Tax withheld2.6K$38.38
2026-01-22Yeh Shu-Hua (Joshua)Tax withheld609$38.38
2026-01-22Yeh Shu-Hua (Joshua)Tax withheld862$38.38
2026-01-22Murry Stefan J.Tax withheld2.0K$38.38
2026-01-22Murry Stefan J.Tax withheld3.3K$38.38
2026-01-22Murry Stefan J.Tax withheld747$38.38
2026-01-22Murry Stefan J.Tax withheld1.1K$38.38
2026-01-22Lin Chih-Hsiang (Thompson)Tax withheld6.2K$38.38
2026-01-22Lin Chih-Hsiang (Thompson)Tax withheld2.6K$38.38
2026-01-22Lin Chih-Hsiang (Thompson)Tax withheld2.9K$38.38
2026-01-22Kuo David CTax withheld1.2K$38.38
2026-01-22Kuo David CTax withheld2.1K$38.38
2026-01-22Kuo David CTax withheld519$38.38
2026-01-22Kuo David CTax withheld567$38.38
2026-01-22Chang Hung-Lun (Fred)Tax withheld1.9K$38.38
2026-01-22Chang Hung-Lun (Fred)Tax withheld2.9K$38.38
2026-01-22Chang Hung-Lun (Fred)Tax withheld674$38.38
2026-01-22Chang Hung-Lun (Fred)Tax withheld850$38.38
2026-01-15Murry Stefan J.Sell66$35.01
2026-01-13Murry Stefan J.Sell934$35.00
2026-01-12Murry Stefan J.Sell3.0K$33.75
2025-12-23Kuo David CSell12K$40.15
2025-12-15Loboa Elizabeth GSell4.1K$30.23
2025-12-11Murry Stefan J.Gift1.0K
2025-12-10Murry Stefan J.Sell3.0K$30.40
2025-12-10Murry Stefan J.Sell1.0K$35.00
2025-11-26BLACK RICHARD BGift600
2025-10-22Murry Stefan J.Tax withheld3.0K$33.40
2025-10-22Chang Hung-Lun (Fred)Tax withheld1.7K$33.40
2025-10-22Chang Hung-Lun (Fred)Tax withheld2.7K$33.40
2025-10-22Chang Hung-Lun (Fred)Tax withheld614$33.40
2025-10-22Chang Hung-Lun (Fred)Tax withheld774$33.40
2025-10-22Kuo David CTax withheld1.1K$33.40
2025-10-22Kuo David CTax withheld1.9K$33.40
2025-10-22Kuo David CTax withheld472$33.40
2025-10-22Kuo David CTax withheld516$33.40
2025-10-22Lin Chih-Hsiang (Thompson)Tax withheld5.5K$33.40
2025-10-22Lin Chih-Hsiang (Thompson)Tax withheld8.8K$33.40
2025-10-22Lin Chih-Hsiang (Thompson)Tax withheld2.3K$33.40
2025-10-22Lin Chih-Hsiang (Thompson)Tax withheld2.5K$33.40
2025-10-22Murry Stefan J.Tax withheld1.9K$33.40
2025-10-22Murry Stefan J.Tax withheld679$33.40
2025-10-22Murry Stefan J.Tax withheld989$33.40
2025-10-22Yeh Shu-Hua (Joshua)Tax withheld1.9K$33.40
2025-10-22Yeh Shu-Hua (Joshua)Tax withheld2.6K$33.40
2025-10-22Yeh Shu-Hua (Joshua)Tax withheld610$33.40
2025-10-22Yeh Shu-Hua (Joshua)Tax withheld862$33.40
2025-08-22BLACK RICHARD BGift1.9K
2025-08-15Kuo David CSell2.0K$22.34
2025-08-15Murry Stefan J.Sell12K$22.37
2025-08-14Yeh William HBuy4.0K$21.40
2025-08-14Lin Che-WeiBuy4.6K$21.64
2025-08-14Lin Chih-Hsiang (Thompson)Buy920$21.60
2025-08-14Lin Chih-Hsiang (Thompson)Buy5.8K$21.62
2025-08-14Lin Chih-Hsiang (Thompson)Buy1.4K$21.26
2025-08-13Lin Chih-Hsiang (Thompson)Buy8.8K$22.53
2025-08-13Lin Chih-Hsiang (Thompson)Buy3.2K$22.65
2025-08-13Chen Min-Chu (Mike)Buy7.5K$22.91
2025-08-13Chang Hung-Lun (Fred)Sell16K$22.70
2025-08-13Yeh William HBuy10K$22.75
2025-08-13Yeh William HBuy4.0K$23.15
2025-08-12Lin Chih-Hsiang (Thompson)Buy6.5K$23.14
2025-07-22Yeh Shu-Hua (Joshua)Tax withheld862$28.23
2025-07-22Kuo David CTax withheld605$28.23
2025-07-22Kuo David CTax withheld1.1K$28.23
2025-07-22Kuo David CTax withheld1.9K$28.23
2025-07-22Kuo David CTax withheld473$28.23
2025-07-22Kuo David CTax withheld516$28.23
2025-07-22Lin Chih-Hsiang (Thompson)Tax withheld3.1K$28.23
2025-07-22Lin Chih-Hsiang (Thompson)Tax withheld5.5K$28.23
2025-07-22Lin Chih-Hsiang (Thompson)Tax withheld2.3K$28.23
2025-07-22Lin Chih-Hsiang (Thompson)Tax withheld2.5K$28.23
2025-07-22Lin Chih-Hsiang (Thompson)Tax withheld8.8K$28.23
2025-07-22Chang Hung-Lun (Fred)Tax withheld966$28.23
2025-07-22Chang Hung-Lun (Fred)Tax withheld1.7K$28.23
2025-07-22Chang Hung-Lun (Fred)Tax withheld2.7K$28.23
2025-07-22Chang Hung-Lun (Fred)Tax withheld613$28.23
2025-07-22Chang Hung-Lun (Fred)Tax withheld774$28.23
2025-07-22Murry Stefan J.Tax withheld1.1K$28.23
2025-07-22Murry Stefan J.Tax withheld1.9K$28.23
2025-07-22Murry Stefan J.Tax withheld3.0K$28.23
2025-07-22Murry Stefan J.Tax withheld679$28.23
2025-07-22Murry Stefan J.Tax withheld988$28.23
2025-07-22Yeh Shu-Hua (Joshua)Tax withheld1.1K$28.23
2025-07-22Yeh Shu-Hua (Joshua)Tax withheld1.9K$28.23
2025-07-22Yeh Shu-Hua (Joshua)Tax withheld2.6K$28.23
2025-07-22Yeh Shu-Hua (Joshua)Tax withheld609$28.23
2025-07-16Murry Stefan J.Sell3.0K$27.46
2025-06-16Murry Stefan J.Sell2.0K$16.05
2025-06-13Loboa Elizabeth GGrant12K
2025-06-13Lin Che-WeiGrant12K
2025-06-13DeLaney CynthiaGrant12K
2025-06-13BLACK RICHARD BGrant12K
2025-06-13Chen Min-Chu (Mike)Grant12K
2025-06-13Yeh William HGrant12K
2025-05-16Murry Stefan J.Sell2.0K$19.35
2025-05-14Kuo David CSell11K$19.10
2025-05-13Chang Hung-Lun (Fred)Tax withheld55K$14.76
2025-05-13Chang Hung-Lun (Fred)Sell24K$19.06
2025-05-13Lin Chih-Hsiang (Thompson)Buy10K$18.24
2025-05-13Lin Chih-Hsiang (Thompson)Buy11K$18.20
2025-05-13Yeh Shu-Hua (Joshua)Tax withheld61K$14.76
2025-05-13Murry Stefan J.Tax withheld60K$14.76
2025-05-13Lin Chih-Hsiang (Thompson)Tax withheld176K$14.76
2025-05-13Kuo David CTax withheld34K$14.76
2025-05-09Kuo David CGrant89K
2025-05-09Lin Chih-Hsiang (Thompson)Grant446K
2025-05-09Yeh Shu-Hua (Joshua)Grant143K
2025-05-09Chang Hung-Lun (Fred)Grant143K
2025-05-09Murry Stefan J.Grant156K
2025-04-30Chang Hung-Lun (Fred)Tax withheld774$10.05
2025-04-30Yeh Shu-Hua (Joshua)Tax withheld862$10.05
2025-04-30Lin Chih-Hsiang (Thompson)Tax withheld2.5K$10.05
2025-04-30Kuo David CTax withheld517$10.05
2025-04-30Murry Stefan J.Tax withheld989$10.05
2025-04-22Yeh Shu-Hua (Joshua)Tax withheld1.1K$10.05
2025-04-22Yeh Shu-Hua (Joshua)Tax withheld1.9K$10.05
2025-04-22Yeh Shu-Hua (Joshua)Tax withheld2.6K$10.05
2025-04-22Yeh Shu-Hua (Joshua)Tax withheld611$10.05
2025-04-22Murry Stefan J.Tax withheld1.1K$10.05
2025-04-22Murry Stefan J.Tax withheld1.9K$10.05
2025-04-22Murry Stefan J.Tax withheld3.0K$10.05
2025-04-22Murry Stefan J.Tax withheld680$10.05
2025-04-22Lin Chih-Hsiang (Thompson)Tax withheld3.1K$10.05
2025-04-22Lin Chih-Hsiang (Thompson)Tax withheld5.5K$10.05
2025-04-22Lin Chih-Hsiang (Thompson)Tax withheld8.8K$10.05
2025-04-22Lin Chih-Hsiang (Thompson)Tax withheld2.3K$10.05
2025-04-22Kuo David CTax withheld605$10.05
2025-04-22Kuo David CTax withheld1.1K$10.05
2025-04-22Kuo David CTax withheld1.9K$10.05
2025-04-22Kuo David CTax withheld473$10.05
2025-04-22Chang Hung-Lun (Fred)Tax withheld967$10.05
2025-04-22Chang Hung-Lun (Fred)Tax withheld1.7K$10.05
2025-04-22Chang Hung-Lun (Fred)Tax withheld2.7K$10.05
2025-04-22Chang Hung-Lun (Fred)Tax withheld614$10.05
2025-04-16Murry Stefan J.Sell2.0K$10.95
2025-04-11Kuo David CGrant22K
2025-04-11Chang Hung-Lun (Fred)Grant32K
2025-04-11Murry Stefan J.Grant41K
2025-04-11Lin Chih-Hsiang (Thompson)Grant103K
2025-04-11Yeh Shu-Hua (Joshua)Grant32K
2025-03-17Murry Stefan J.Sell2.0K$23.06
2025-02-18Murry Stefan J.Sell3.0K$26.34
2025-01-22Yeh Shu-Hua (Joshua)Tax withheld1.6K$30.15
2025-01-22Yeh Shu-Hua (Joshua)Tax withheld1.9K$30.15
2025-01-22Yeh Shu-Hua (Joshua)Tax withheld2.6K$30.15
2025-01-22Yeh Shu-Hua (Joshua)Tax withheld610$30.15
2025-01-22Lin Chih-Hsiang (Thompson)Tax withheld3.5K$30.15
2025-01-22Lin Chih-Hsiang (Thompson)Tax withheld5.1K$30.15
2025-01-22Lin Chih-Hsiang (Thompson)Tax withheld6.2K$30.15
2025-01-22Lin Chih-Hsiang (Thompson)Tax withheld9.9K$30.15
2025-01-22Lin Chih-Hsiang (Thompson)Tax withheld2.6K$30.15
2025-01-22Murry Stefan J.Tax withheld1.1K$30.15
2025-01-22Murry Stefan J.Tax withheld1.5K$30.15
2025-01-22Murry Stefan J.Tax withheld1.9K$30.15
2025-01-22Yeh Shu-Hua (Joshua)Tax withheld1.1K$30.15
2025-01-22Chang Hung-Lun (Fred)Tax withheld1.5K$30.15
2025-01-22Chang Hung-Lun (Fred)Tax withheld1.8K$30.15
2025-01-22Chang Hung-Lun (Fred)Tax withheld2.8K$30.15
2025-01-22Murry Stefan J.Tax withheld3.1K$30.15
2025-01-22Murry Stefan J.Tax withheld701$30.15
2025-01-22Kuo David CTax withheld623$30.15
2025-01-22Kuo David CTax withheld921$30.15
2025-01-22Kuo David CTax withheld1.1K$30.15
2025-01-22Kuo David CTax withheld1.9K$30.15
2025-01-22Kuo David CTax withheld487$30.15
2025-01-22Chang Hung-Lun (Fred)Tax withheld996$30.15
2025-01-22Chang Hung-Lun (Fred)Tax withheld632$30.15
2025-01-21Murry Stefan J.Sell2.3K$35.17
2025-01-16Murry Stefan J.Sell4.0K$31.72
2025-01-15BLACK RICHARD BSell10K$29.00

All non-derivative Form 4 activity (SEC), newest first.

Notable events (8-K)

DateItems
2026-06-16Material agreementDebt obligationExhibitsfiling ↗
2026-06-05Exec/director changeShareholder voteExhibitsfiling ↗
2026-05-14Material agreementExhibitsfiling ↗
2026-05-13Material agreementDebt obligationExhibitsfiling ↗
2026-05-08Auditor changeExhibitsfiling ↗
2026-05-07ResultsExhibitsfiling ↗
2026-04-13Material agreementDebt obligationExhibitsfiling ↗
2026-03-12Material agreementExhibitsfiling ↗

Recent filings

FormFiledPeriodAccession
8-K2026-06-162026-06-110001683168-26-004885 ↗
8-K2026-06-052026-06-040001683168-26-004596 ↗
8-K2026-05-142026-05-140001104659-26-061168 ↗
8-K2026-05-132026-05-080001683168-26-003817 ↗
8-K2026-05-082026-05-040001683168-26-003572 ↗
10-Q2026-05-072026-03-310001437749-26-015620 ↗
8-K2026-05-072026-05-070001683168-26-003562 ↗
8-K2026-04-132026-04-070001683168-26-002858 ↗
8-K2026-03-122026-03-120001104659-26-027101 ↗
8-K2026-03-052026-02-270001683168-26-001522 ↗
8-K2026-02-272026-02-230001683168-26-001360 ↗
10-K2026-02-262025-12-310001437749-26-005875 ↗